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Finding the Fourth Proportional to 425,306.16, 586,800.72 and 253,080.18

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Solution

The fourth proportional to 425,306.16, 586,800.72 and 253,080.18 is: 349,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,306.16 : 586,800.72 = 253,080.18 : x
  2. Step 2: Convert to fraction form
    425,306.16/586,800.72 = 253,080.18/x
  3. Step 3: Cross multiply
    425,306.16x = 586,800.72 × 253,080.18
  4. Step 4: Simplify right side
    425,306.16x = 148,507,631,841.73
  5. Step 5: Solve for x
    x = 148,507,631,841.73/425,306.16
  6. Step 6: Final answer
    x = 349,178.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.